KOOTU Mountain Bike Stem Riser Adjustable Handlebar Stem Extender
Solving the problem of riding position too aggressively, which causes back pain or uncomfortable.
The bike riser can adjust the angle ±85°, after adjustment, so it can rise the height of the handlebar by about 6-10 cm.
In order to Completely solve the problem of back pain, therefore you can ride the bike more comfortably in a better riding position.
Product name: bike stem riser
Material quality: Aluminum alloy
Color: anode black
Installation height: 35mm
Fork straightness: 28.6cm
Handlebar diameter: 31.8mm
Adjustable angle: true negative 85 degrees
Hole spacing: 90/110mm